diff options
author | Nadav Rotem <nadav.rotem@intel.com> | 2012-05-19 20:30:08 +0000 |
---|---|---|
committer | Nadav Rotem <nadav.rotem@intel.com> | 2012-05-19 20:30:08 +0000 |
commit | 87d35e8c715f5116b072ef8fd742c0cfb6fb5ce4 (patch) | |
tree | e87b7d6b3b1ae7bd578bc3912652633bd1775590 /test/CodeGen/X86 | |
parent | 4fc8a5de44c2fc3ce82d5467bd96dfe25aa3a0e9 (diff) | |
download | external_llvm-87d35e8c715f5116b072ef8fd742c0cfb6fb5ce4.zip external_llvm-87d35e8c715f5116b072ef8fd742c0cfb6fb5ce4.tar.gz external_llvm-87d35e8c715f5116b072ef8fd742c0cfb6fb5ce4.tar.bz2 |
On Haswell, perfer storing YMM registers using a single instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157129 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
-rw-r--r-- | test/CodeGen/X86/2012-05-19-avx2-store.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2012-05-19-avx2-store.ll b/test/CodeGen/X86/2012-05-19-avx2-store.ll new file mode 100644 index 0000000..61fef90 --- /dev/null +++ b/test/CodeGen/X86/2012-05-19-avx2-store.ll @@ -0,0 +1,14 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx2 | FileCheck %s + +define void @double_save(<4 x i32>* %Ap, <4 x i32>* %Bp, <8 x i32>* %P) nounwind ssp { +entry: + ; CHECK: vmovaps + ; CHECK: vmovaps + ; CHECK: vinsertf128 + ; CHECK: vmovups + %A = load <4 x i32>* %Ap + %B = load <4 x i32>* %Bp + %Z = shufflevector <4 x i32>%A, <4 x i32>%B, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7> + store <8 x i32> %Z, <8 x i32>* %P, align 16 + ret void +} |